# Corn yield trial — Mike Van Zee (Sully, IA, 2025)

- **Publisher:** ProHarvest Seeds (cross-vendor plot report)
- **Crop:** Corn
- **Year:** 2025
- **Location:** Sully, IA · Jasper County
- **Cooperator:** Mike Van Zee
- **Company rep:** Jake Ekstrand
- **Planted:** 4/12/2025
- **Harvested:** 10/4/2025
- **Previous crop:** Soybeans
- **Row width:** 30
- **Population:** 34,000 seeds/acre
- **Tillage:** No-Till
- **Irrigation:** Non-Irrigated
- **Source PDF:** https://proharvestseeds.com/wp-content/uploads/2025/10/Corn-Van-Zee-Sully-IA.pdf

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## Results (head-to-head)

| Rank | Brand | Hybrid/Variety | Trait | Yield/Ac | % H2O | Test Wt | +/- Ave |
|---|---|---|---|---|---|---|---|
| 1 | ProHarvest | 86P55 | TRERIB | 278.53 | 11.7 | 59 | 56.3 |
| 2 | ProHarvest | 81P19 | VT4PRIB | 261.46 | 13.9 | 58 | 39.3 |
| 3 | ProHarvest | 84P41 | PCE | 242.87 | 12.1 | 61 | 20.7 |
| 4 | ProHarvest | 79P54 | SSPRO | 235.89 | 13.8 | 59 | 13.7 |
| 5 | ProHarvest | 83P17 | PCE | 233.43 | 13.3 | 56 | 11.2 |
| 6 | ProHarvest | 78P95 | PCE | 226.32 | 12.6 | 58 | 4.1 |
| 7 | NuTech | 70F6 | V | 217.51 | 12 | 58 | -4.7 |
| 8 | NuTech | 70B4 | AM | 216.03 | 12.6 | 58 | -6.2 |
| 9 | NuTech | 72C1 | PCE | 215.35 | 14.9 | 58 | -6.8 |
| 10 | ProHarvest | 83P66 | VT2PRIB | 215.32 | 13.3 | 54 | -6.9 |
| 11 | ProHarvest | 82P96 | PCE | 214.99 | 12.5 | 56 | -7.2 |
| 12 | NuTech | 71A7 | V | 214.68 | 12.1 | 58 | -7.5 |
| 12 | NuTech | 73B2 | V | 214.68 | 12.1 | 58 | -7.5 |
| 13 | NuTech | 73J1 | V | 214.43 | 12.2 | 57 | -7.8 |
| 14 | ProHarvest | 81P45 | TRERIB | 214.42 | 10.7 | 62 | -7.8 |
| 15 | ProHarvest | 85P58 | VT2PRIB | 212.76 | 11.5 | 60 | -9.4 |
| 16 | NuTech | 71B6 | PCE | 212.17 | 12.6 | 58 | -10 |
| 17 | ProHarvest | 81P20 | PCE | 206.42 | 12.2 | 55 | -15.8 |
| 18 | NuTech | 69C7 | PCE | 199.39 | 12 | 58 | -22.8 |
| 19 | NuTech | 69B5 | V | 197.24 | 11.8 | 59 | -25 |